package com.example.c7chapter6;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet("/firstServlet")
public class FirstServlet extends HttpServlet {
    public FirstServlet(){
        //无参构造方法
        super();//执行父类的构造方法
    }
    @Override //重载修饰符 覆盖父类方法
    public void destroy(){//销毁方法
        super.destroy();
    }
    @Override
    public void init() throws ServletException{
        //当初始化失败时 抛出servlet的异常
        super.init();
    }
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 TransitionaI//EN\">");
        out.println("<HTML>");
        out.println("<HEAD><TITLE>动态生成的HTML文档</TITLE></HEAD>");
        out.println("<BODY>");
        out.println("<table border='0' align='center'>");
        out.println("<tr><td bgcolor='skyblue'colspan=2>动态生成HTML文档</td></tr>");
        out.println("</table>");
        out.println("</BODY>");
        out.println("</HTML>");
        out.flush();
        out.close();
    }
        protected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException {
            doPost(request, response);
        }

    }

